Paradyne 3172 Operator's Manual

Also see for 3172: Quick installation Operator's guide Quick reference

Paradyne 3172 Operator's Manual Manual pdf 66 page image

ACCULINK 3172 and 3174 E1 DSU/CSU4-2 March 1999 3170-A2-GB20-30OverviewThe E1 DSU/CSU can detect and report faults, andperform diagnostic tests. These features ensure that yourE1 DSU/CSU is giving you optimum performance in yournetwork.Self-Test HealthUse the Self-Test Health command to display theresults of the power-up self-test. Possible messages arelisted in Table 4-1. See Chapter 2, Installation, for moreinformation about power-up self-test.To display power-up self-test results: Procedure1. Press F1 to select Stat from the top-level menuscreen.F1DSU E1 CEPTStat Test CnfigF2 F32. From the Status screen, press F2 to select STest.F1Status:DevHS STest PerfF2 F33. View the results of the last power-up self-test. Ifno problems were found during power-up, thefollowing message appears.F1SelfTst Health:PassedF2 F3Table 4-1Self-Test Health MessagesMessage DescriptionPassed No problems were found during power-up.CPU fail The central processing unit failed internal testing.DTE E1 fail The unit failed to internally loop data on the DTE circuit.Failurexxxxxxxx An 8-digit hexadecimal failure code is provided for service personnel.LCD fail The front panel liquid crystal display (LCD) failed.Memory fail The unit failed program checksum verification.NET E1 fail The unit failed to internally loop data on the network circuit.Device fail One or more of the unit’s integrated circuit chips failed to pass internal device level testing.HDB3/LOS fail The unit failed to encode data properly or to detect Loss Of Signal.Alarm fail The unit failed to transmit AIS or to detect an RAI alarm.DSU fail The unit failed to internally loop data on the DSU.DSU Portn fail Port’s integrated circuitry failed to pass device internal testing.Unknown Exp Dev The unit is not able to recognize the expansion device connected to the main circuit card.